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34 lines
786 B
Python
34 lines
786 B
Python
"""
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File: max_capacity.py
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Created Time: 2023-07-21
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Author: krahets (krahets@163.com)
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"""
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def max_capacity(ht: list[int]) -> int:
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"""最大容量：貪欲法"""
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# i, j を初期化し、それぞれ配列の両端に置く
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i, j = 0, len(ht) - 1
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# 初期の最大容量は 0
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res = 0
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# 2 枚の板が出会うまで貪欲選択を繰り返す
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while i < j:
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# 最大容量を更新する
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cap = min(ht[i], ht[j]) * (j - i)
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res = max(res, cap)
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# 短い方を内側へ動かす
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if ht[i] < ht[j]:
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i += 1
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else:
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j -= 1
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return res
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"""Driver Code"""
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if __name__ == "__main__":
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ht = [3, 8, 5, 2, 7, 7, 3, 4]
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# 貪欲法
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res = max_capacity(ht)
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print(f"最大容量は {res}")
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